public Instruction writeConditional(BranchSet _branchSet, boolean _invert)
throws CodeGenException {
final LogicalExpressionNode logicalExpression = _branchSet.getLogicalExpression();
if (!_invert) {
logicalExpression.invert();
}
write(logicalExpression);
return (_branchSet.getLast().getNextExpr());
}
public void writeComposite(CompositeInstruction instruction) throws CodeGenException {
if (instruction instanceof CompositeArbitraryScopeInstruction) {
newLine();
writeBlock(instruction.getFirstChild(), null);
} else if (instruction instanceof CompositeIfInstruction) {
newLine();
write("if (");
final Instruction blockStart = writeConditional(instruction.getBranchSet());
write(")");
writeBlock(blockStart, null);
} else if (instruction instanceof CompositeIfElseInstruction) {
newLine();
write("if (");
final Instruction blockStart = writeConditional(instruction.getBranchSet());
write(")");
Instruction elseGoto = blockStart;
while (!(elseGoto.isBranch() && elseGoto.asBranch().isUnconditional())) {
elseGoto = elseGoto.getNextExpr();
}
writeBlock(blockStart, elseGoto);
write(" else ");
writeBlock(elseGoto.getNextExpr(), null);
} else if (instruction instanceof CompositeForSunInstruction) {
newLine();
write("for (");
Instruction topBranch = instruction.getFirstChild();
if (topBranch instanceof AssignToLocalVariable) {
writeInstruction(topBranch);
topBranch = topBranch.getNextExpr();
}
write("; ");
final BranchSet branchSet = instruction.getBranchSet();
final Instruction blockStart = writeConditional(branchSet);
final Instruction lastGoto = instruction.getLastChild();
if (branchSet.getFallThrough() == lastGoto) {
// empty body no delta!
write(";){}");
} else {
final Instruction delta = lastGoto.getPrevExpr();
write("; ");
if (!(delta instanceof CompositeInstruction)) {
writeInstruction(delta);
write(")");
writeBlock(blockStart, delta);
} else {
write("){");
in();
writeSequence(blockStart, delta);
newLine();
writeSequence(delta, delta.getNextExpr());
out();
newLine();
write("}");
}
}
} else if (instruction instanceof CompositeWhileInstruction) {
newLine();
write("while (");
final BranchSet branchSet = instruction.getBranchSet();
final Instruction blockStart = writeConditional(branchSet);
write(")");
final Instruction lastGoto = instruction.getLastChild();
writeBlock(blockStart, lastGoto);
} else if (instruction instanceof CompositeEmptyLoopInstruction) {
newLine();
write("for (");
Instruction topBranch = instruction.getFirstChild();
if (topBranch instanceof AssignToLocalVariable) {
writeInstruction(topBranch);
topBranch = topBranch.getNextExpr();
}
write("; ");
writeConditional(instruction.getBranchSet());
write(";){}");
} else if (instruction instanceof CompositeForEclipseInstruction) {
newLine();
write("for (");
Instruction topGoto = instruction.getFirstChild();
if (topGoto instanceof AssignToLocalVariable) {
writeInstruction(topGoto);
topGoto = topGoto.getNextExpr();
}
write("; ");
Instruction last = instruction.getLastChild();
while (last.getPrevExpr().isBranch()) {
last = last.getPrevExpr();
}
writeConditional(instruction.getBranchSet(), true);
write("; ");
final Instruction delta = last.getPrevExpr();
if (!(delta instanceof CompositeInstruction)) {
writeInstruction(delta);
write(")");
writeBlock(topGoto.getNextExpr(), delta);
} else {
write("){");
in();
writeSequence(topGoto.getNextExpr(), delta);
newLine();
writeSequence(delta, delta.getNextExpr());
out();
newLine();
write("}");
}
} else if (instruction instanceof CompositeDoWhileInstruction) {
newLine();
write("do");
Instruction blockStart = instruction.getFirstChild();
Instruction blockEnd = instruction.getLastChild();
writeBlock(blockStart, blockEnd);
write("while(");
writeConditional(((CompositeInstruction) instruction).getBranchSet(), true);
write(");");
newLine();
}
}